2011 INFINITI QX56 service

DLN-8
< PREPARATION >[TRANSFER: ATX90A]
PREPARATION
PREPARATION
PREPARATION
Special Service ToolsINFOID:0000000006222212
The actual shapes of Kent-Moore tool
s may differ from those of special service tools illustrated here.
Commercial Service ToolsINFOID:0000000006222213
Tool number
(Kent-Moore No.)
Tool name Description
ST30701000
(J-25742-2)
Drift
a: 61.5 mm (2.421 in) dia.
b: 41 mm (1.61 in) dia. Removing dust shield from companion flange
KV40104710
(—)
Drift
a: 76.3 mm (3.004 in) dia.
b: 67.9 mm (2.673 in) dia.  Installing rear oil seal
 Installing input oil seal
KV10119400
(—)
Spline socket  Installing transfer control actuator
 Installing transfer rotary position sensor
ZZA1000D
ZZA1003D
ZZA1205D
Tool name
Description
Puller  Removing dust shield from shaft flange
 Removing dust shield from companion
flange
Replacer  Removing dust shield from shaft flange
 Removing dust shield from companion
flange
ZZA0119D
ZZA0700D
Revision: 2010 May2011 QX56

ADDITIONAL SERVICE WHEN REPLACING TRANSFER CONTROL UNIT
DLN-41
< BASIC INSPECTION > [TRANSFER: ATX90A]
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ADDITIONAL SERVICE WHEN RE PLACING TRANSFER CONTROL UNIT
DescriptionINFOID:0000000006222234
Perform writing unit parameter and initial calibration after replacing transfer control unit. Refer to DLN-41,
"Work Procedure".
Work ProcedureINFOID:0000000006222235
NOTE:
In fail-safe mode, can not perform work support. (Except that DTC P181F is detected.)
1.WRITE UNIT PARAMETER
Perform writing unit parameter to control unit. Refer to DLN-48, "
Work Procedure".
>> GO TO 2.
2.INITIAL CALIBRATION (1)
With CONSULT-III
1. Start the engine. CAUTION:
Never drive the vehicle.
2. Check “4WD MODE”, “T/M RANGE”, “COMER VHCL SPEED”, “MOTOR POWER SUP” of CONSULT-III
“DATA MONITOR” for “ALL MODE AWD/4WD”.
3. Continue the following condition more than 10 seconds.
Does the transfer motor operate automatically?
YES >> After the transfer motor operation st op (After approximately 10 seconds) GO TO 4.
NO >> GO TO 3.
3.INITIAL CALIBRATION (2)
With CONSULT-III
1. Select “START CALIBRATION” of CONSULT- III “WORK SUPPORT” for “ALL MODE AWD/4WD”.
2. Wait until the motor operation stop. (After approximately 10 seconds)
>> GO TO 4.
4.PERFORM SELF-DIAGNOSIS
With CONSULT-III
1. Erase self-diagnosis result for “ALL MODE AWD/4WD”.
2. Turn the ignition switch ON to OFF. CAUTION:
Wait for 10 seconds after turning ignition switch OFF.
3. Start the engine.
CAUTION:
Never drive the vehicle.
4. Perform self-diagnosis for “ALL MODE AWD/4WD”.
Is
“DTC P181F” detected?
YES >> GO TO 1.
NO >> WORK END
4WD MODE : AUTO
T/M RANGE : N
COMPER VHCL SPEED : 0 km/h (Never drive the vehicle)
MOTOR POWER SUP : More than 11 V
Revision: 2010 May2011 QX56

DLN-42
< BASIC INSPECTION >[TRANSFER: ATX90A]
ADDITIONAL SERVICE WHEN
REPLACING TRANSFER ASSEMBLY
ADDITIONAL SERVICE WHEN REPLACING TRANSFER ASSEMBLY
DescriptionINFOID:0000000006222236
Perform writing unit parameter, transfer fluid viscosity learning and initial calibration after replacing transfer
assembly. Refer to DLN-42, "
Work Procedure".
Work ProcedureINFOID:0000000006222237
NOTE:
In fail-safe mode, can not perform work s upport. (Except that DTC P181F is detected.)
1.WRITE UNIT PARAMETER
Perform writing unit parameter to control unit. Refer to DLN-48, "
Work Procedure".
>> GO TO 2.
2.PREPARATION BEFORE WORK
With CONSULT-III
1. Start the engine. CAUTION:
Never drive the vehicle.
2. Check “4WD MODE”, “T/M RANGE”, “COMER V HCL SPEED”, “MOTOR POWER SUP” of CONSULT-III
“DATA MONITOR” for “ALL MODE AWD/4WD”.
3. Continue the following condition more than 10 seconds.
>> GO TO 3.
3.PERFORM TRANSFER FLUID VISCOSITY LEARNING
With CONSULT-III
1. Select “OIL DETERIORATION INFO RESET” of CONSULT-III “WORK SUPPORT” for “ALL MODE AWD/
4WD”.
2. Select “Start”.
>> GO TO 4.
4.INITIAL CALIBRATION
With CONSULT-III
1. Select “START CALIBRATION” of CONSULT- III “WORK SUPPORT” for “ALL MODE AWD/4WD”.
2. Wait until the motor operation stop. (After approximately 10 seconds)
>> GO TO 5.
5.PERFORM SELF-DIAGNOSIS
With CONSULT-III
1. Erase self-diagnosis result for “ALL MODE AWD/4WD”.
2. Turn the ignition switch ON to OFF. CAUTION:
Wait for 10 seconds after turn ing ignition switch OFF.
3. Start the engine. CAUTION:
Never drive the vehicle.
4. Perform self-diagnosis for “ALL MODE AWD/4WD”.
4WD MODE : AUTO
T/M RANGE : N
COMPER VHCL SPEED : 0 km/h (Never drive the vehicle)
MOTOR POWER SUP : More than 11 V
Revision: 2010 May2011 QX56

ADDITIONAL SERVICE WHEN REPLACING TRANSFER ASSEMBLY
DLN-43
< BASIC INSPECTION > [TRANSFER: ATX90A]
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G H
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DLN
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Is “DTC P181F” detected?
YES >> GO TO 1.
NO >> WORK END
Revision: 2010 May2011 QX56

FRONT OIL SEALDLN-109
< REMOVAL AND INSTALLATION > [TRANSFER: ATX90A]
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FRONT OIL SEAL
Exploded ViewINFOID:0000000006222329
Removal and InstallationINFOID:0000000006222330
REMOVAL
1. Remove the drain plug to drain the transfer fluid. Refer to DLN-106, "Draining".
2. Remove the front propeller shaft. Refer to DLN-129, "
Removal and Installation".
3. Remove the plug.
4. Remove the O-ring from the plug.
5. Remove the snap ring.
6. Remove the front shaft flange, using a plastic hammer.
7. Remove the dust shield from the front shaft flange, using puller and replacer.
8. Remove front oil seal from front case. CAUTION:
Never damage the front case.
INSTALLATION
1. Plug 2. O-ring 3. Snap ring
4. Transfer assembly 5. Front oil seal 6. Dust shield
7. Front shaft flange
: Vehicle front
: Apply transfer fluid. Refer to MA-10, "
Fluids and Lubricants".
Refer to GI-4, "
Components" for symbols not described above.
JPDIE0280GB
A : Puller (commercial service tool)
B : Replacer (commercial service tool)
JPDIE0163ZZ
Revision: 2010 May2011 QX56

DLN-110
< REMOVAL AND INSTALLATION >[TRANSFER: ATX90A]
FRONT OIL SEAL
1. Install front oil seal with a drift (A) (commercial service tool)
within the dimension (L) shown as follows.
CAUTION:
 Never reuse front oil seal.
 Apply transfer fluid onto circumference of oil seal.
2. Install the dust shield to the front shaft flange.
3. Install the front shaft flange.
4. Install the snap ring. CAUTION:
Never reuse the snap ring.
5. Install the O-ring to plug. CAUTION:
 Never reuse the O-ring.
 Never damage the O-ring.
6. Tighten the plug to specified torque.
7. Install front propeller shaft. Refer to DLN-129, "
Removal and Installation".
8. Fill with new transfer fluid, check fluid level and for fluid leakage. Refer to DLN-106, "
Inspection".
L : 5.3 – 5.7 mm
JPDIE0160ZZ
Revision: 2010 May2011 QX56

REAR OIL SEALDLN-111
< REMOVAL AND INSTALLATION > [TRANSFER: ATX90A]
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REAR OIL SEAL
Exploded ViewINFOID:0000000006222331
Removal and InstallationINFOID:0000000006222332
REMOVAL
1. Remove the rear propeller shaft. Refer to DLN-144, "Removal and Installation".
2. Put matching marks (A) on the end of the main shaft and the rear companion flange.
CAUTION:
For matching mark, using paint. Never damage main shaft.
3. Remove the snap ring.
4. Remove the adjusting shim.
5. Remove the rear companion flange, using a plastic hammer.
6. Remove the dust shield from rear companion flange, using the drift, puller and replacer.
7. Remove the o-ring from rear companion flange.
8. Remove the rear oil seal from rear case. CAUTION:
Never damage rear case and main shaft.
INSTALLATION
1. Snap ring 2. Adjusting shim 3. O-ring
4. Rear companion flange 5. Dust shield 6. Rear oil seal
7. Transfer assembly
: Vehicle front
: Apply transfer fluid. Refer to MA-10, "
Fluids and Lubricants".
Refer to GI-4, "
Components" for symbols not described above.
JPDIE0281ZZ
JPDIE0162ZZ
A : Drift [SST: ST30701000 (J-25742-2)]
B : Puller (commercial service tool)
C : Replacer (commercial service tool)
JPDIE0159ZZ
Revision: 2010 May2011 QX56

DLN-124
< SERVICE DATA AND SPECIFICATIONS (SDS) [TRANSFER: ATX90A]
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
SERVICE DATA AND SPECIFICATIONS (SDS)
General SpecificationsINFOID:0000000006222353
Applied model 4WD
V56VD A/T
Transfer model AT X 9 0 A
Fluid capacity (Approx.) (US pt, lmp pt)1.5 (3-1/8, 2-5/8)
Revision: 2010 May2011 QX56